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Topic: Heater Only Blows Cold Air. (Read 1133 times) |
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Vince
Newbie
2.3 Scorpio Ultima and Volvo FH12 Globetrotter.
 
Posts: 38
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Heater Only Blows Cold Air.
« on: Apr 28th, 2006, 9:44pm » |
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Hi all, a brief re-cap.
I bought a very tidy, low mileage R-reg 2.3 Ultima from a trader, but after a week of driving it about I have found various faults so back it has gone.
His mechanic doesn't seem too clued up, but is fazed by my seemingly all encompassing knowledge of Scorpios.......in reality of course I am just quoting verbatim the replies you guys gave to my Scorpio questions ten minutes previously! 
Anyway, one of the problems is that the heater will not blow hot air. The engine reaches a good running temperature (ascertained by feeling cooling system pipes as well as reading the gauge) and the fan cuts in and out as it should. The digital display at the heater control moves up and down but the air output is always cold.
I am sure that even his mechanic will have checked for an airlock so is there a next most likely candicate for this failure. I am thinking maybe the heater control panel?
Any thoughts?
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Vince
Newbie
2.3 Scorpio Ultima and Volvo FH12 Globetrotter.
Posts: 38
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Re: Heater Only Blows Cold Air.
« Reply #2 on: Apr 28th, 2006, 10:03pm » |
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I would be surprised if the matrix was blocked as the car is young and has a very low mileage and the inside of the header tank seems completely free of any sediment or discolouration.
At the end of the day, it's his problem- that's why I paid a dealer price- so he is going to have to fix it. I am sure he must wish he had sold the car to someone slightly more willing to fall for "motor-trader BS" though............
Once the problems have been ironed out I am sure the car will be a sweetie.
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nuttyscorp
Full Member
1998 (R) 2.3 ultima
Posts: 515
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Re: Heater Only Blows Cold Air.
« Reply #3 on: Apr 28th, 2006, 10:25pm » |
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try a c/c reset, follow the full procedure, and do it 3/4 times (doesent always work first time)
http://www.fordscorpio.co.uk/ccreset.htm
i had a similar problem with mine, backflushed, helped a bit, and the c/c reset put it back to how it should be.
Russ
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project car :- "84" mk2 granada 2.8i ghia X TURBO (rs 500 box)
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sector-9
Senior Member
No scorpio anymore
Posts: 1069
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Re: Heater Only Blows Cold Air.
« Reply #4 on: Apr 29th, 2006, 12:42am » |
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There is a flap inside the heater assembly which adjusts the proportion of heated/unheated air going to the vents. If you have climate control then this will be moved by an electric motor to the correct position. Could be that the matrix is getting hot but the flap is stuck in the 'cold' position...
Darren
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Heater Only Blows Cold Air.
« Reply #5 on: Apr 29th, 2006, 1:12am » |
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Is the matrix outlet pipe hot or cold? If it is cold then this means there is an airlock or it is blocked.
I've just had to change the heater matrix on my '98 R reg as that kept blocking up. Back flushing it might help as it made mine work for a while, but eventually it blew cold again & so I changed the Matrix. Now it works perfectly.
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